The lawsuit asks the court to immediately end a number of laws and ordinances it says thwart federal immigration authorities.

USAID employees and contractors are discussing potential litigation, four sources familiar with the talks told NBC News.

The federal lawsuit accuses those jurisdictions of "making it more difficult for, and deliberately impeding, federal immigration officers' ability to carry out their responsibilities." ...

It appears to be the first Justice Department lawsuit against local officials for allegedly interfering with the Trump ...

President Trump’s Justice Department sued the state of Illinois, the city of Chicago and local officials Thursday over laws creating a so-called “sanctuary city.”  Accusing the officials of ...